Coaching is more than X's and O's. If you are a coach, in a youth or school situation, you are responsible for young people's lives. Charles Barkley once said "I am not a role model". Well, if you are a coach, like it or not, you are a role model and a leader.
Here are some articles on improving leadership...
The Most Important Aspect of Coaching & Leadership - Being a Good Role Model
Why It is Good to be a Salesman When Coaching Basketball
How Do You Always Keep a Positive Attitude as a Coach?
2 Simple Ways to Make a Positive Impact on Your Players' Lives
How to Become a Better Leader
Communicating With Your Players
8 Ways to Earn Your Player's Trust
Coaching Basketball Effectively by Leading the "Right" Way